Siegmund, Oswald, ed. <br/><br/>
EUV, X-Ray, and Gamma-Ray Instrumentation for Astronomy II  [eBook] 

 - Washington, USA  SPIE  1991 
 - Online resource 
 - Proceedings of SPIE; V. 1549 .
<br/><br/><label>ISBN: </label>9780819406774 (Print)